Re: [docbook-apps] Odd Characters in UTF-8, Docbook 5.1

On 2/1/2017 10:22 AM, stimits@comcast.net wrote:
> I just wanted to add some information from reading build logs for the
> document. It turns out the error shows up under "fop" because the
> particular font does not support this character (I'm surprised
> Times-Roman does not have this by default since just about every
> application on the system has the character):
> WARNING: Glyph "├" (0x251c, SF080000) not available in font "Times-Roman".
>
> The trouble here is I now want to change this for the system as a whole,
> not just on the document (I want to avoid any project using
> Times-Roman). I am curious if there is some simple way under Linux to
> find out which fonts fop has available, and how to change the default
> font family for all Docbook publishing via a system-wide setting? I've
> found many documents on modifying Docbook behavior within source code,
> but not much seems to exist on system-wide Docbook configuration from a
> system administrator's point of view...if anyone has a URL for
> information on specifics of tuning Docbook defaults under Linux I'd be
> very happy!
>
> Thanks!
>
> ----- Original Message -----
> From: stimits@comcast.net
> To: docbook-apps@lists.oasis-open.org
> Sent: Tue, 31 Jan 2017 23:20:24 -0000 (UTC)
> Subject: [docbook-apps] Odd Characters in UTF-8, Docbook 5.1
> Hi,
>
> I'm working on a Linux machine which has UTF-8 encoding. The docbook 5.1
> I'm working with is declared:
> <?xml version="1.0" encoding="utf-8"?>
> <!DOCTYPE book [
> <!ENTITY version "0.1 unreleased">
> ]>
>
> Entities changed a while back (relaxng changed things), but so far as I
> know I should still be able to work with numeric entities when using odd
> characters which are part of UTF-8. I'm trying to get some box drawing
> characters to work, specifically because I need to illustrate a file
> directory structure which has been output like this from the "tree -d"
> command. Here's a short sample:
>> tree -d -L 2 /etc | tail -n 20 | tail -n 6
> │ ├── pluginconf.d
> │ ├── protected.d
> │ └── vars
> └── yum.repos.d
>
> As you can see the vertical and horizontal box drawing characters are
> used. When I redirect this to a file or copy and paste into the document
> all I get is a substitute...each shows as "#". So I tried to use numeric
> entities instead. As an example "boxh" (horizontal box line) should work
> as "─". This does not work, and rendering still ends up as "#". I
> tried the numeric code for the plus/minus character, "|±|", and
> this does work. I don't know if it proves anything, but since my UTF-8
> terminal shows all of the above characters just fine on a terminal, it
> seems like the ability to output is not in question...perhaps this is an
> invalid assumption.
>
> Btw, one reference on the Unicode numeric value is from:
> http://www.oasis-open.org/docbook/documentation/reference/html/iso-box.html
>
> Under Docbook 5.1, what do I need to do to use this numeric entity other
> than using UTF-8 and the numeric entity syntax? Is there an additional
> XML declaration I need?
>
> Thanks!

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